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From: greg@enterprise.Sun.COM (Greg George - Sun Project Development Manager - Midwest )
Newsgroups: comp.mail.elm
Subject: Re: Filter Problem
Keywords: Filter Problem
Message-ID: <5615@texsun.Central.Sun.COM>
Date: 27 Jun 91 17:56:08 GMT
References: <5496@texsun.Central.Sun.COM> <1991Jun26.235138.6092@decuac.dec.com> <1991Jun27.085737.4955@lut.ac.uk>
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Reply-To: greg@enterprise.Central.Sun.COM
Organization: Sun Microsystems Consulting - Detroit
Lines: 48

In article <1991Jun27.085737.4955@lut.ac.uk>, elaps@lut.ac.uk (Alan Schwarzenberger) writes:
|> 
|>   I have filter working on HP9000 (cluster of one 870 and three 855's).
|> Sendmail is the mail transport agent. ~/.elm has rwx pemissions for me
|> only. I write the error file to /tmp. There are several quirk's !! First
|> ignore the man page (if you have the same one as our's) and read "The
|> Elm Filter System Guide". 
|>   My .forward file contains:
|> 
|> "|/disks/disk15/el/elaps/bin/forward_filter"
|> (with all the quotes and everything)
|> 
|> This is a shell script that contains
|> 
|> #!/bin/sh
|> PATH=/usr/bin:/bin:/usr/lib:/usr/local/bin:/hpc/disks/disk15/el/elaps/bin
|> export PATH
|> if test "`hostname`" != hpc
|> then
|> 	exec sendmail -oi -ba "`whoami`@hpc"
|> else
|> 	add_unix_from | filter -o /tmp/`whoami`.filter.errors
|> fi
|> 
|> The add_unix from is a C-program that the System Administrator here
|> gave me. Apparently (I quote him) "the Elm filter requires a unix style
|> 'From sender date' header at the start of all mail messages. When you
|> put filter in your .forward file this header is removed by the system
|> before running your filter program."  So this adds program adds it back
|> on. It is possible that this is a local modification to sendmail (?). 
|> 
|> The filter rules are in ~/.elm/filter-rules. I always check them with
|> filter -r as soon as I have altered them. In Elm you HAVE to set
|> keepempty=ON, as filter failed if the mailbox it wanted to put the
|> message in didn't exist (I think this was to do with permissions on the
|> /usr/mail directory. A final quirk is that filter creates the error
|> file, and then deletes it again if it doesn't find any errors, so check
|> it's non-zero size to see if any errors have occured. 
|> 
|> -- 
|> 
|> ============================================================================
|> Alan Schwarzenberger    tel +44 509 222849     A.P.Schwarzenberger@lut.ac.uk
|> International Electronics Reliability Institute, Loughborough University, UK

Is there anyway to get your add_unix_from program???

greg